423220303 has 4 divisors (see below), whose sum is σ = 461694888. Its totient is φ = 384745720.

The previous prime is 423220271. The next prime is 423220331. The reversal of 423220303 is 303022324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423220303 - 2⁵ = 423220271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423220333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19237276 + ... + 19237297.

It is an arithmetic number, because the mean of its divisors is an integer number (115423722).

Almost surely, 2^423220303 is an apocalyptic number.

423220303 is a deficient number, since it is larger than the sum of its proper divisors (38474585).

423220303 is a wasteful number, since it uses less digits than its factorization.

423220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474584.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 423220303 is about 20572.3188532552. The cubic root of 423220303 is about 750.7963706849.

Adding to 423220303 its reverse (303022324), we get a palindrome (726242627).

The spelling of 423220303 in words is "four hundred twenty-three million, two hundred twenty thousand, three hundred three".